28688400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{613}}^1$

素因数の和:650

約数の個数: 180

約数和(自身を含む): 107389828

約数和(自身を除く): 78701428

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 25, 26, 30, 36, 39, 40, 45, 48, 50, 52, 60, 65, 72, 75, 78, 80, 90, 100, 104, 117, 120, 130, 144, 150, 156, 180, 195, 200, 208, 225, 234, 240, 260, 300, 312, 325, 360, 390, 400, 450, 468, 520, 585, 600, 613, 624, 650, 720, 780, 900, 936, 975, 1040, 1170, 1200, 1226, 1300, 1560, 1800, 1839, 1872, 1950, 2340, 2452, 2600, 2925, 3065, 3120, 3600, 3678, 3900, 4680, 4904, 5200, 5517, 5850, 6130, 7356, 7800, 7969, 9195, 9360, 9808, 11034, 11700, 12260, 14712, 15325, 15600, 15938, 18390, 22068, 23400, 23907, 24520, 27585, 29424, 30650, 31876, 36780, 39845, 44136, 45975, 46800, 47814, 49040, 55170, 61300, 63752, 71721, 73560, 79690, 88272, 91950, 95628, 110340, 119535, 122600, 127504, 137925, 143442, 147120, 159380, 183900, 191256, 199225, 220680, 239070, 245200, 275850, 286884, 318760, 358605, 367800, 382512, 398450, 441360, 478140, 551700, 573768, 597675, 637520, 717210, 735600, 796900, 956280, 1103400, 1147536, 1195350, 1434420, 1593800, 1793025, 1912560, 2206800, 2390700, 2868840, 3187600, 3586050, 4781400, 5737680, 7172100, 9562800, 14344200, 28688400]

約数ペア:

[(1, 28688400), (2, 14344200), (3, 9562800), (4, 7172100), (5, 5737680), (6, 4781400), (8, 3586050), (9, 3187600), (10, 2868840), (12, 2390700), (13, 2206800), (15, 1912560), (16, 1793025), (18, 1593800), (20, 1434420), (24, 1195350), (25, 1147536), (26, 1103400), (30, 956280), (36, 796900), (39, 735600), (40, 717210), (45, 637520), (48, 597675), (50, 573768), (52, 551700), (60, 478140), (65, 441360), (72, 398450), (75, 382512), (78, 367800), (80, 358605), (90, 318760), (100, 286884), (104, 275850), (117, 245200), (120, 239070), (130, 220680), (144, 199225), (150, 191256), (156, 183900), (180, 159380), (195, 147120), (200, 143442), (208, 137925), (225, 127504), (234, 122600), (240, 119535), (260, 110340), (300, 95628), (312, 91950), (325, 88272), (360, 79690), (390, 73560), (400, 71721), (450, 63752), (468, 61300), (520, 55170), (585, 49040), (600, 47814), (613, 46800), (624, 45975), (650, 44136), (720, 39845), (780, 36780), (900, 31876), (936, 30650), (975, 29424), (1040, 27585), (1170, 24520), (1200, 23907), (1226, 23400), (1300, 22068), (1560, 18390), (1800, 15938), (1839, 15600), (1872, 15325), (1950, 14712), (2340, 12260), (2452, 11700), (2600, 11034), (2925, 9808), (3065, 9360), (3120, 9195), (3600, 7969), (3678, 7800), (3900, 7356), (4680, 6130), (4904, 5850), (5200, 5517)]